Combustion baffle



Sept. 2 1930. R. H. WAGER GMSTION BAFFLE 2 Sheets-Sheet l \Nv MW. XW

Filed April l2, 1928 I @HMM/M94 R. H. wAGER 1,774,859

coMBUsTfIoN BAFFLE 2 Sheets-Sheet 2 Filed April l2, 1928 Sept. .2., 1930.v

www/ao Patented Sept. 2,`

' '".aoiariitlfHiiipsoit WAeER/or JitsEY iApplicationy April 1 2,- A. In converting boiler'furnacesjparticularly those of marine boilers, orvburning oil, 1t 1s customary to mount a brickora Vmetalco-m bustion baliie in the frontzportron 'of the yfur- 6 nace to formY one side of the airchamberfconandits comparatively-lowcost.`

comprises segmental baie plates overlapped taining the ingoing air for: mixingjwitlrthe yoil sprayed'from the burner. In recentyears,

one particular. l sectional metalba'ile.- .has

gained well deserv'ed' prominence', for such reasons as the speed and ease withwhich it is applicable andremovable, its general eiiiciency, 1This battle vnovel constructionhereinafter described eighteen boiler and claimed and shown 1n thevaccompanyi'ng This 'construction hasy been consimultaneously yin as many as furnaces. torfa period oeight drawings. tinuo'uslyused' f months, withno signs -of cracking, whereas 'FiglZis a sectional viewsubstantially-on the bailies to whichl have previouslyreferred, often :have arlifey of no" more than'two or three weeks, before lcracking:ofthe throat f 1 f i" I11,5,forreinforcing,purposes@ yo izpa'rts:prevents.relative warping Vof theyy f rings. f

Fig. l ofY the accompanying drawings,wiseaV fronty elevation partly broken awayfandiin Ysection ot a combustion baiileiconstructed V1n .accordance with kinyinvention.`

line 2-2 of `Fig. 1,'showing the baille installed f in a Scotch marine boiler. f Fig. 3 is a. vertical sectional View substanf away and in section.

In the drawings above briefly described, 'f illustrating the preferred forml of construc- .Y

` tion, the numerals 5 denote a plurality of segmental baille plates disposed 1n an annular '1- provided attheir inner and outer edgeportions with reinforcing ribs] 6-7 respectively, both disposeclat'one's1de series and preferably received 1v9`28. 7 Serial No. 269,472. l of ad piats. The 1to0, the. ada or the i rplatesg, which 'ends :overlap eachother, are lprovidedwith radial ribsf 8- -9 which Aboth ,reintorcesaid plates and serve somewhat 'as f heat `radiating'and hence cooling means. To

^ tNrrEDSTATESPATENTOFFIC additionally radiate'heatandl cool the plates,

theyy are preferablyprovided withp'rojecting f 1 studslO. Y- The intermediate portions of these` plates'arefprovided Withlaterally projecting 60 v planes, vand `ext`ending Aoutwardly from these v Vlugs 11 disposed substantially in radial j lugs additional ribs or webs 12 are provided,

having the same'fu-nctionsas theparts89. At', the outerend'softhe ribs orfwebs..f12,

Ao ppositelyproj ecting feet-13 have been shown ion the plates 5. Q @rdinarilyhe outer periph-A eral-edges of these yplates* are--seated'linaone ofthe vcorrugations of a boilenfurnace as shown in Fig. 2.5-, InY such' case these plates Aare liableto 'slant'from the .perpendicular "positionthatthey should retain,th`e eet..l3 are f' then instrumental in properly centering I`andholdingthe baifle in thejdesired position. j @neend of eachplate 5j isprovided .with an jintergral projecting fingergildwhich7 inthe. present showing, fllheadj aent'end is integral with the rib .9.

of the next plate is lslidably between this flingerrand the plate fend'bywhich said ingerf'isA carried, and-the tacts,',is preferablythiclrened somewhat-as at platesl 5 andthe consequent existence lof'.l

10%11Q-'12-14, aredisposed atthe, front ltothe comparatively cool 'fair enteringrfromj the usual furnace lfrontA Hence, theplates aratively cool with obvious ad.` --lv.antages. a 1

are kept lcomp `Ajplatef'connecting ring 1,6, preferablyof` r-V 95y T-shapejin transverse section, is disposed atl andfcontacts -with the 4vfront sides of theplates 5, jan^d this/ring projects inwardl'yat' 1'7 beyoud/the innerperipheral edges of said plates .5i lThis 'fring-Y 16 is formedof two ,arcuate zf'sectionsf ;18-.19, the former being Apreferably Thisgrelation Sidesoflthe plates jahdame hence subjected n somewhat greater than a semi-circle While the flatter is correspondingly less than a sem1- Y circle. These ring sections 18419, are pro- Y `vided With peripheral lugs20 having longitudinal slots 2l andadapted for `connection disposed at the-ends of the fringgsections,

v 18f-"l9 andhence certain of the bolts 22 not only l secure. these n'lugs to 'the' adjacent `lugs v l1, but secure said ring sections together.

tion baiile,fan'd with this baffle, I make use of Y y a-throat ring-23 Which-.is preferably 'ofi onefrpiece formationgandfmay.be of "metal, fire jc'lay, bricky or other-.desired materiahwhereas :thevplates '5 and theplate-connecting means i116, etc.,fare inl allinstances ofmetal construcft'ion.' p 'Iihethroat ring 23 may'Wellbe defined ,asa-floating' ring, in thatitis onlyloosely coni' nected with the annular ba'iieand is strucf `Sturally independent of all parts ofl this baiile. f yfllhering 23fandvthe---annularfbaile are provvidedwith co-acting portions,fvvhich While holding ,the throatv ring 23 againsty displace -ment,`wpermit unhampered expansion' and lcontraction of thisringWithoutjexerting any force againstfthe rii'igl'or other portionof fthe` baille,*tending to produce cracking or yother injurious strain. `In the present disclosure, the'periphery of the Athroat ring `23 -islprovided vwith a continuous groove24 be- {tWeen-'ftwlo annular ribs 25--26,`said vgroove loosely .receiving the inner edge portion V17 'fof the plate-connecting ring 16. TheV clear- K 1 ance betweenthe ring 16 and the throat ring 23, -suchthat Ksaidthroat rifiig may move in vnumerous fdirections under A`expansion Iand p -jcontraction-andj'i'nayl even move in acircum- 4'eierential' direction should it have any i tend- 'en'cy to do, Land' these free Hoatingmove- 'piments 1 of jthe ring 123, are :oneJ of 'the most -'fdev-ices whijeh fI have successfully. usedY for zlongperiods of ftime and under .very trying f conditionait vis the free floating movements of thisthroat'ring 23. and the Aconstruction of ithis' `'ringfindependentlyy ovitheplate-connecb ing ring 16, to Which I attribute the success of Nthe improvedconstruction. However, .the

{floating throat ring is allsoiadvantageous lin -connection with-'annular battlesr` whose details of l construotionvare 'other 'than those k"herein f `Inqmounting the'device in'a furnace, the four lowermost plates 5 are placed-in 'posiy fit-ion' and fthelower section .18ctA the ring 16 is v:bolted .tofthem'.-r j"Ilhen, the throatring 23':is yset in l:place "and the remainder yofth'efplates 'are placed, there being suiiicient sliding of #these platesvvithzregard to'each other,`to al- -f'loW easy 'insertion of the last one. 'When .'.now-vtheupper section 190i? thepring 16 isv y .er .than a semi-circle.

newness `insertedandremoved than would otherwise i be possible. f Theparts so'fardescribed,ortheir'equiva" lents, constitute a sectional,annularcombus-.

Because of the fact that the 'lower section 18 is more than semi-circular, it

. is usually :necessary to cut away portions of its ends as indicatedat 27, to prevent them 'iromestriliing diametrically opposite parts of yfthe throat-.ring 23, When inserting and removing :the ylatter. v

1 bviously, the slots 2 and the slidable connectionswbetiveen the lates 5 not .oni

permit easy assembly and disassembly `of parts, fbutalloivslight variance inthe dilowed, I again direct attentionto .the fact that Wit-hin thescope of the invention yas claimed, variations .may .be made.

I claim: Y l. .A combustion baille comprising baii'le plates, means connecting said bailieplates to .jointly formanannular bridle, and a floating `throat ringstructurally independent Aofsaid A plates and said plate-connecting means,Q-and loosely supportedby said annular baille.

2. A combustion baffle comprising .baile plates, a plate-connecting ring connected 'to vsaid platesto provide an annular baille, and Va floating throat ring structurally .inde- :pen'dent of saidplates and said plate-,conn viiecting ring, and Aloosely .supported by .said plate-connecting ring.

yessential ifeati'iresrof'fmy .invention In "the 3. A A zoinbustion ba'ii'le comprising barile plates,.means .connectingsaid plates to provide an annular bathe, and a iloatingthroat ringfstructurally independent oi said .annularfbaileandsaid plateconnecting means,

:andlooselysurrounded :bysaid annular .ba-

fie, said throat ring .andsaid .annular bafiiehaving cosaotingportions for loosely 'hold- .ing the ring "against dislocation.

.and loosely surrounded by said plate-con necting ring, saidthroat ring and said plateconnecting .ring having .co-acting portions for loosely holding saidthroatring against displacement.

5. A ycombustion battle comprising baille plates, means connectingsaid baffle plates toc providel an annular bae, and a loating 'throatring structurally independent of saidl plates and said. plate-connecting means, said throat ring having a peripheral groove loosejly receiving the inner peripheralv edge of said c plates, a plate-connecting ring connected to ring extending inwardly beyond'the innerV annular baille.

6, A combustion baillev coinprisingbaiile said A'plates toprovide an aniiular.baille,said

peripheral edges oi said plates, and va iloating throat ringstructurally independent vot said plates and said` plateconnecting'ring,fl Y y and having only such connection with the and loosely surrounded byfsaidfplate-connecting ring,'said throat `ring having a`pehipheral groove loosely receiving the inner-` vperipheral edge of said plate-connecting ring.

7. A'combustion bale comprising anan-y nular series of slidably'overlapped segmental baffle plates, said plates having lateral lugs at one side, a plate-connecting ring disposed l f' :atsaid side of said plates and spacedinwardgether,'certainof'the lugs of saidfring'being lyl 'from' said lugs, `said `ring being divided into arcuate sections 'and having radialjlugs overlapping the'lugs of'said plates, and bolts securing the lugs or the plates and ring todisposedatthe ends of the ring'sections,

whereby certain of said bolts secure saidring sections together.

- `8. Ay combustion .ballie plates, said plates having laterallugs aty one side, a plate-connecting ring disposed at said side of said plates and spaced-inward kly from said lugs, saidrin'g being Vdivided into arcuate sections and having radial lugs overlapping-the lugs oi said plates, bolts sering and having afperipheral groovefloosely receiving 'the inner peripheral edgeof said plate-connecting ring.v Y 4 9. Ina combustion baille; a circular struc# ture comprising plates which are segmentsiof a circle, slidably interttingmeans yconnecting the ends of said plates and of a length permitting temporary f circumferential crowding of the plates so that the final plate can be inserted,`and means for holding all plates position when said temporaryy crowding is relieved and the plates disposed at their proper'relativ'e positions.

V10. A combustion baille comprising an an# baie vcomprising an-fanj nular series ol' slidably overlapped segmental overlapping the lugs of said plates, bolts `se'` s curing the jlugs of the plates and ring'to` gether, certain .of the lugs kof saidring being' saidbaliie plates and connecting ring. f Y 11. In a `furnace combustion halide, a loatf ing throat ring, a sectional.supporting-ringl ,i

assembled around said floating throatering latterras to permit floating thereof, an'dgan lannular baille supporting Vsaid supporting-'l ring. f n

12. Ina. rurnace combustion baille, a one-v .pieceiiloating combustion ring, a sectional L supportingring yfor said combustion ringrassembled afround'the latter and havingonlyf-v 1 yg such connection therewith as'to perinitfloat ing thereof, and an i annular battleisupporting said supporting ring.

13. A structure as specified in claim 11'; y p the connection between said supporting ring j f ,and lsaid throat-ring consisting of opposed circumferentially"extending shoulders on the one ring betweenwhichv aportionof the other ring is received."

- lll".y A combustion balilehavingfan opening A oi circular outline and a throat ring` loosely .l

mounted within said opening and reeto,

float circumferentially therein;v

.15,1A combustionbatlle having an opening,

and allowing it to ,floatcircuinierentially.

l lin testimony whereof I have hereuntoafnular series of slidably overlapped segmental L .battle plates, lsaid plates having lateral lugs at one side, a plate-connecting ring disposed I said side of said platesand spaced inwardly from said lugs, said'ring being divided `into* arcuate sections and having radiallugs ico ,anda throat ring` extending along therwall V- y oSaidopeni'ng, saidfbaflle and -ring having i co-,acting portions loosely mounting said Vring Y 105'Vl 

